BS ISO 14899:2022

Plastics. Polyols for use in the production of polyurethane. Determination of basicity

BS ISO 14899:2022 发布历史

1   Scope This document specifies a method for the measurement of trace amounts of basic materials present in polyether polyols used in the production of polyurethanes . It is important to know the trace amount of basicity in a polyol to prevent gelation of the reaction mass during the production of polyurethane prepolymers. It is also useful to control the basicity in polyols used for polyurethane production to assure consistent and reproducible reaction behaviour. This method is suitable for quality control, as a specification test and for research. The applicable range is 0 μg to 50 μg/g, expressed as KOH. The method is not applicable to amine-based polyols. The values can be reported as CPR (controlled polymerization rate) units.

BS ISO 14899:2022由英国标准学会 GB-BSI 发布于 2022-07-31，并于 2022-07-31 实施。

BS ISO 14899:2022在国际标准分类中归属于: 83.080.10 热固性塑料。

BS ISO 14899:2022的历代版本如下：

• 2022年 BS ISO 14899:2022
• 2001年 BS ISO 14899:2001 塑料制品.聚氨酯生产用多元醇.碱度测定

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标准号

BS ISO 14899:2022

发布

2022年

发布单位

英国标准学会

当前最新

BS ISO 14899:2022

 

 

适用范围

1   Scope This document specifies a method for the measurement of trace amounts of basic materials present in polyether polyols used in the production of polyurethanes . It is important to know the trace amount of basicity in a polyol to prevent gelation of the reaction mass during the production of polyurethane prepolymers. It is also useful to control the basicity in polyols used for polyurethane production to assure consistent and reproducible reaction behaviour. This method is suitable for quality control, as a specification test and for research. The applicable range is 0 μg to 50 μg/g, expressed as KOH. The method is not applicable to amine-based polyols. The values can be reported as CPR (controlled polymerization rate) units.

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